/*
 * Copyright [2021-present] [ahoo wang <ahoowang@qq.com> (https://github.com/Ahoo-Wang)].
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *      http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package me.ahoo.simba.jdbc

import me.ahoo.simba.core.MutexOwner

/**
 * 互斥体实体.
 *
 * @author ahoo wang
 */
class MutexOwnerEntity(val mutex: String, ownerId: String, acquiredAt: Long, ttlAt: Long, transitionAt: Long) :
    MutexOwner(
        ownerId,
        acquiredAt,
        ttlAt,
        transitionAt
    ) {

    /**
     * 版本号，用于领导者并发争抢控制.
     */
    var version = 0

    /**
     * 当前Db时间戳 (统一使用Db时间作为统一时间，防止全局时间不一致).
     * [java.util.concurrent.TimeUnit.MILLISECONDS]
     */
    var currentDbAt: Long = 0
}
